======================== unified (from filesystem) ========================
                                         'bitrate'  '206.651'
                                        'duration'  '233'
                                          'artist'  'Yppah'
                                     'text_people'  ''
                                         'release'  'They Know What Ghost Know'
                                           'title'  'Shutter Speed'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'trip hop', 'idm', 'electronic', 'ninja tune']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '131.158'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:{\x19\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x19\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'They Know What Ghost Know'
'TBPM' (BPM (beats per minute))                     '131.158'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Shutter Speed'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Yppah'
'TPUB' (Publisher)                                  'Ninja Tune'
'TRCK' (Track number/Position in set)               '4'
'TSOP' (Performer sort order)                       'Yppah'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'trip hop', 'idm', 'electronic', 'ninja tune']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.50 dB'
'TXXX:replaygain_track_peak'                        '0.562369'

========================== row from database ==========================
                                              'id'  1345904
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/Yppah - (2009) They Know What Ghost Know/04 - Shutter Speed.mp3
                                         'working'  None
                                         'bitrate'  206
                                    'duration_sec'  233
                                           'genre'  electronic-ambient
                                        'filesize'  6102542
                                           'mtime'  1636910873
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient (2009) 04 electronic ambient
                                      'tag_artist'  Yppah
                                     'tag_release'  They Know What Ghost Know
                                       'tag_title'  Shutter Speed
                                             'bpm'  131.158
                                    'search_title'  'shutter':1 'speed':2
                                   'search_artist'  'yppah':1
                                  'search_release'  'ghost':4 'know':2 'they':1 'what':3
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 '2009':3,4 'ambient':6 'electronic':5
                                    'search_combo'  '00ambient':9 '00poprockelectronic':8 '2009':10,11 'ambient':13 'electronic':12 'ghost':7C 'know':5C 'shutter':1A 'speed':2A 'they':4C 'what':6C 'yppah':3B
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'trip hop', 'idm', 'electronic', 'ninja tune']
                                        'tag_date'  2009
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910872.9895585  (2021-11-14 18:27:52)
                             'size'  6102542